Abstract
Technological platforms dedicated for digital instrumentation and control of nuclear reactors are quite complex in terms of functionalities and devices. Hence, the design of these platforms requires high-level abstraction layers able to reduce the complexity, to rise the automation and to check the consistency between different development stages. The development of such systems is a challenging task that requires modeling of various components at different levels of abstraction and viewpoints, notably functional, hardware and software levels. In this paper, a new system engineering methodology is proposed to provide high-level models of different components and inter/intra-communication between them. These models are used for system specification, architecture design, performance evaluation or verification and validation. This approach focuses on the internal behavior of different components at different levels of abstraction in order to enable the interoperability of these components and to enhance cooperation between different stakeholders of the development process. An experimental setup has been carried out to validate this approach by customizing an open source model based engineering tool, Eclipse Papyrus, towards a significant reduction of system development cost in terms of engineering resources and equipment devices.
Highlights
With the increasing complexity of Instrumentation and Control (I&C) systems, developers faced challenges in terms of functionalities, architecture definition, and implementation
We extend the specific use of the open-source system engineering tool base, Papyrus [7], for the control and protection of nuclear reactors
Considering the I&C specification and the study of existing standards for I&C systems graphical notation [9], the tool is designed based on these two syntaxes: - An abstract syntax or Metamodel: the metamodel defines different concepts manipulated in the domain and structures the relationships between these concepts and their semantics into a coherent unit
Summary
With the increasing complexity of Instrumentation and Control (I&C) systems, developers faced challenges in terms of functionalities, architecture definition, and implementation. The architecture of I&C devices dedicated to the control and protection of nuclear reactors is quite complex To overcome this challenge, we aim to significantly reduce the development costs of these systems in terms of engineering time and equipment aspects. In order to address the cost improvement objectives of the engineering part, a new MDE-based methodology is proposed To validate this approach, we extend the specific use of the open-source system engineering tool base, Papyrus [7], for the control and protection of nuclear reactors. We extend the specific use of the open-source system engineering tool base, Papyrus [7], for the control and protection of nuclear reactors The integration of this methodology within this tool encapsulates the main stages of use-case system engineering and carries out many automation steps and consistency checks between different design stages. A system can be mapped on two different equipment: for example, System 2 is implemented on two equipment: the sub-systems system2.1 and system2.2 are mapped, respectively, in Equipment and Equipment
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